G.01
group · backend
p99 < 80ms
Backend Architecture
Domain-driven services with clean module boundaries, strict typing, and observable runtime. I design for failure, not for the happy path.
Node.jsTypeScriptPostgreSQLPrismaMongoDBRedisDocker
[ 00 / index ]system.builder.interface
systems thatrun businesses.
Full Stack Developer crafting SaaS platforms, real-time pipelines, and automation engines. I design infrastructure that compounds — quiet, observable, and built to outlast the next refactor.
System thinking
Real-time pipelines
Shipped, in production
system.status
runtime · live
online
modulecore/system.ts
buildpassing
uptime99.98%
queue12,840 jobs/d
last deploy12 min ago_
[ 01 / trust ]proof.of.craft
Real work, production-graded.
Verified credentials and active engineering work that has shipped, scaled, and stayed online.
current role
Web Briks LLC
Position
Full Stack Developer
Oct 2024 — Present · Remote
Lead engineer on internal SaaS platforms and external products. Architecting backend systems, real-time pipelines, and developer tooling that compounds across the organization.
5+
products shipped
99.98%
uptime SLA
20k+
lines / week
verified
HackerRank Certifications
4 active credentials
React (Frontend Developer)
HackerRank · Verified
Node.js (Intermediate)
HackerRank · Intermediate
REST API (Intermediate)
HackerRank · Intermediate
JavaScript (Intermediate)
HackerRank · Intermediate
[ 02 / work ]case.studies
Selected systems,
running in production.
Each one is a mini product. Designed, architected, shipped — and still in service. Click any card for the full case study.
5 active products · 2024 — 2025
[ 03 / systems ]capability.matrix
Not skills. Systems I operate.
Grouped by problem domain — because problems are how engineers think, not by tool list.
G.02
group · realtime
10k concurrent
Real-time Systems
Event-driven, pub/sub, and stream-based architectures. Presence, live state, and collaborative UX without melting your servers.
WebSocketsSocket.IORedis StreamsMQTTKafka basicsServer-Sent Events
G.03
group · automation
200+ flows live
Automation & Bots
Workflow engines, scheduled jobs, and bots that replace repetitive human cycles. Slack, Discord, GitHub, and webhook orchestration.
BullMQCronSlack Bot KitDiscord.jsGitHub ActionsZapier alt
G.04
group · api
100% typed
API Engineering
REST, GraphQL, and tRPC APIs designed as a product. Versioning, contracts, auth, rate-limit, and SDKs that delight other developers.
RESTGraphQLtRPCOpenAPIOAuth2JWTStripe
[ 04 / path ]trajectory.log
A path from curiosity to system.
Education and career, time-series ordered. The same obsession running underneath every node.
- career
Full Stack Developer
Web Briks LLC
Oct 2024 — Present · Remote
Lead engineer on internal SaaS platforms and client products. Architecting backend systems, real-time pipelines, and developer tooling that compounds over time.
SaaSBackendReal-timeAutomation - education
Bachelor — Political Science
Gaibandha Government College
Ongoing
Pursuing a parallel academic track while shipping production software full-time.
- education
HSC
Gaibandha Adarsha College
Completed
Higher Secondary Certificate. Built first software projects during this period.
- education
Secondary
Amar Bangla Bidyapith
Completed
Secondary education foundation in mathematics and science.
- education
Primary
Ahammad Uddin Shah Shishu Niketan School and College
Completed
Where the obsession with how systems work first started.
[ 05 / contact ]open.channel
Let's build something
powerful together.
I'm taking on a small number of long-term engagements where system thinking matters. SaaS platforms, internal tools, real-time products — I work as a lead engineer and architect.
currently available
Replies within 24 hours. Best for product engineering & infrastructure work.
Remote · Bangladesh
F
Fuyad Hasan Fahim
© 2026 · system builder interface